An Excessive Heat Warning is in effect through Monday for La Paz, Maricopa, and Mohave Counties; Cochise, Coconino, Gila, Graham, Greenlee, Pima, Pinal, Santa Cruz, Yavapai, and Yuma Counties until Sunday.
High temperatures up to 120 degrees Fahrenheit are expected. Learn more about how to stay safe in extreme heat and stay informed about future heat alerts.

Epidemiology and Disease Control

Epidemiology & Disease Control

Working to monitor, prevent and control infectious diseases and environmental health concerns in Arizona.

Emergency Preparedness

Public Health Emergency Preparedness

Ensuring that the public health system of Arizona is prepared for public health emergencies whether natural or intentional.

Emergency Medical Services and Trauma System

Emergency Medical Services & Trauma System

Protects the health and safety of people requiring emergency medical services by certifying and educating first responders.

State Lab

State Laboratory Services

Infectious and communicable disease analyses, contaminant investigations, and newborn screening to protect all Arizonans

Public Health Statistics

Public Health Statistics

Data management, health registries, population health and vital statistics, hospital discharge data and the annual BRFSS.